| 摘要 |
PROBLEM TO BE SOLVED: To provide an economical and epoch-making closing prevention system capable of improving a closing prevention measures by ineffective huge jellyfish dependent on an intake screen absorption closing prevention fishing net capture, etc. SOLUTION: It is impossible by a means other than the control of an ocean current in order to control a motion of the jellyfish itself in order to control a motion of the jellyfish itself since the huge jellyfish itself has no swimming force so as to swim against the ocean current and drifts about almost in the ocean current, the displacement of the ocean current flowing to an intake is made to carry out by an ocean current controlling plate, an indirect intake method and a two branching intersection current intake method are used together without using a direct intake method, and the ocean current is decelerated to prevent an intake close of the huge jellyfish. COPYRIGHT: (C)2006,JPO&NCIPI
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